
/** 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.tompai.datagather.util;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* @author: tompai
* @createTime: 2018年4月28日 下午7:42:41
* @history:
* @version: v1.0
*/
public class MD5Utils {

    public static String md5(byte[] original) throws NoSuchAlgorithmException {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(original);
        byte[] digest = md.digest();
        StringBuffer sb = new StringBuffer();
        for (byte b : digest) {
            sb.append(String.format("%02x", b & 0xff));
        }
        return sb.toString();
    }

    public static String md5(String originalStr, String charset) throws UnsupportedEncodingException, NoSuchAlgorithmException {
        byte[] original = originalStr.getBytes(charset);
        return md5(original);
    }

    public static void main(String[] args) throws UnsupportedEncodingException, NoSuchAlgorithmException {
        System.out.println(md5("测试abc","utf-8"));
    }


}
